ceph/qa/workunits/fs/snaps/snaptest-upchildrealms.sh
Ramana Raja a232d273c1 qa/workunits/fs/snaps: allow tests to be run
... filesystems other than 'cephfs'.

It is not required to set  'allow_new_snaps' to True to allow snapshot
to be created on a filesystem. Remove that setting.

Remove 'fs/snaps/snaptest-0.sh' that is racy when running in parallel on
an another client that mounted the same file system. Include a similar
test in qa/tasks/cephfs/test_snapshots.py

Signed-off-by: Ramana Raja <rraja@redhat.com>
2020-11-20 13:23:21 +05:30

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#!/bin/sh -x
set -e
#
# verify that a snap update on a parent realm will induce
# snap cap writeback for inodes child realms
#
mkdir a
mkdir a/b
mkdir a/.snap/a1
mkdir a/b/.snap/b1
echo asdf > a/b/foo
mkdir a/.snap/a2
# client _should_ have just queued a capsnap for writeback
ln a/b/foo a/b/bar # make the server cow the inode
echo "this should not hang..."
cat a/b/.snap/_a2_*/foo
echo "good, it did not hang."
rmdir a/b/.snap/b1
rmdir a/.snap/a1
rmdir a/.snap/a2
rm -r a
echo "OK"